.page {
    display: flex;
    flex-direction: column;
  }
  .video-container {
    flex: 1;
    position: relative;
    background-color: #000;
  }
  .text-container {
    position: absolute;
    bottom: 16px;
    left: 16px;
    color: #fff;
  }
  .text-title {
    font-size: 40px;
    font-weight: 600;
  }
  // 控制条
  .controls {
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 76px;
    background-color: #fff;
    font-size: 60px;
  }
  .control-btn {
    flex: 1;
    z-index: 20;
    text-align: center;
  }
  
  /* 进度条 */
  #progress {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 76px;
    background-color: rgb(104, 87, 255);
    z-index: 10;
  }
  /* 蒙层 */
  #mask {
    display: none;
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(47, 72, 82, 0.9);
    z-index: 100;
  }
  .mask-btns {
    display: flex;
    justify-content: space-between;
    margin-top: 200px;
    margin-right: auto;
    margin-left: auto;
    width: 70%;
    height: 100px;
  }
  .mask-btn {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    line-height: 100px;
    text-align: center;
  }
  #continueBtn {
    background-color: rgb(3, 235, 3);
  }
  #overBtn {
    background-color: red;
  }